Home / 593,979.20-890,968.80-521,662.40

Finding the Fourth Proportional to 593,979.20, 890,968.80 and 521,662.40

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Solution

The fourth proportional to 593,979.20, 890,968.80 and 521,662.40 is: 782,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,979.20 : 890,968.80 = 521,662.40 : x
  2. Step 2: Convert to fraction form
    593,979.20/890,968.80 = 521,662.40/x
  3. Step 3: Cross multiply
    593,979.20x = 890,968.80 × 521,662.40
  4. Step 4: Simplify right side
    593,979.20x = 464,784,922,533.12
  5. Step 5: Solve for x
    x = 464,784,922,533.12/593,979.20
  6. Step 6: Final answer
    x = 782,493.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.